Home / 5,239.65-7,227.55-3,223.40

Finding the Fourth Proportional to 5,239.65, 7,227.55 and 3,223.40

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Solution

The fourth proportional to 5,239.65, 7,227.55 and 3,223.40 is: 4,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.65 : 7,227.55 = 3,223.40 : x
  2. Step 2: Convert to fraction form
    5,239.65/7,227.55 = 3,223.40/x
  3. Step 3: Cross multiply
    5,239.65x = 7,227.55 × 3,223.40
  4. Step 4: Simplify right side
    5,239.65x = 23,297,268.55
  5. Step 5: Solve for x
    x = 23,297,268.55/5,239.65
  6. Step 6: Final answer
    x = 4,446.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.